Post-UTME Physics 2010 Objective — Question 12
Question 12 of 12 from the Post-UTME Screening (Post-UTME) Physics 2010 Objective paper, with the correct answer and a full explanation.
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A piece of stone weighs 80g in air, 50g when completely immersed in water and 65g in liquid Y. What is the relative density of Y?
- A. 0.2
- B. 1.5
- C. 0.5Correct
- D. 2
Explanation
Upthrust in water = 80-50=30g (equiv to density 1). Upthrust in Y = 80-65=15g. Relative density of Y = 15/30 = 0.5.
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